Home / 10,406.05-15,609.15-4,166.60

Finding the Fourth Proportional to 10,406.05, 15,609.15 and 4,166.60

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Solution

The fourth proportional to 10,406.05, 15,609.15 and 4,166.60 is: 6,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.05 : 15,609.15 = 4,166.60 : x
  2. Step 2: Convert to fraction form
    10,406.05/15,609.15 = 4,166.60/x
  3. Step 3: Cross multiply
    10,406.05x = 15,609.15 × 4,166.60
  4. Step 4: Simplify right side
    10,406.05x = 65,037,006.34
  5. Step 5: Solve for x
    x = 65,037,006.34/10,406.05
  6. Step 6: Final answer
    x = 6,249.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.